Foldable bassinet, bassinet lock, and bassinet release

Abstract

A foldable bassinet including a center tube, at least two frames, and at least two frame connectors. Each frame connector is disposed on a corresponding frame. The center tube is connected between the at least two frame connectors. At least one of the frame connectors includes a bassinet lock, a first tube and a second tube. The bassinet lock includes a first hinge fixed to the first tube, a second hinge fixed to the second tube and rotatably connected to the first hinge, and a locking hub disposed on the center tube and slidably located between the first hinge and the second hinge. When the bassinet lock is unlocked, the center tube is movable in an upward direction and the foldable bassinet is movable from an unfolded position to a folded position.

What is claimed is: 
     
         1 . A foldable bassinet, comprising:
 a center tube;   at least two frames; and   at least two frame connectors, each frame connector disposed on a corresponding frame, the center tube being connected between the at least two frame connectors, at least one of the frame connectors comprising a bassinet lock, a first tube and a second tube, the bassinet lock comprising:
 a first hinge fixed to the first tube; 
 a second hinge fixed to the second tube and rotatably connected to the first hinge; and 
 a locking hub disposed on the center tube and slidably located between the first hinge and the second hinge; 
   wherein when the bassinet lock is unlocked, the center tube is movable in an upward direction and the foldable bassinet is movable from an unfolded position to a folded position.   
     
     
         2 . The foldable bassinet of  claim 1 , wherein:
 the locking hub is fully retractable into the first hinge to allow relative rotation between the first hinge and the second hinge for moving the foldable bassinet between the folded position and unfolded position, and   the locking hub is partially protruded from the first hinge to constrain the relative rotation between the first hinge and the second hinge to lock the foldable bassinet in the folded position or unfolded position.   
     
     
         3 . The foldable bassinet of  claim 1 , wherein the first hinge comprises at least one first tooth, the second hinge comprises at least one second tooth, and the locking hub comprises at least one third tooth engaged between the at least one first tooth and the at least one second tooth to constrain the relative rotation between the first hinge and the second hinge. 
     
     
         4 . The foldable bassinet of  claim 3 , wherein:
 when the locking hub is fully retracted into the first hinge, the at least one third tooth is disengaged from the second tooth to allow the relative rotation between the first hinge and the second hinge to move the foldable bassinet between the folded position and the unfolded position; and   when the locking hub is partially protruded from the first hinge, the at least one third tooth is engaged with the first tooth and the second tooth to constrain the relative rotation to lock the foldable bassinet in the folded position or unfolded position.   
     
     
         5 . The foldable bassinet of  claim 1 , wherein the bassinet lock further comprises a resilient component disposed between the first hinge and the locking hub, a resilient recovering force of the resilient component is used to move the locking hub toward the second hinge. 
     
     
         6 . The foldable bassinet of  claim 5 , wherein the resilient component is a compressed spiral spring, a first end of the compressed spiral spring abuts against an inner surface of the first hinge, and a second end of the compressed spiral spring is disposed on a protruding body of the locking hub. 
     
     
         7 . The foldable bassinet of  claim 1 , wherein the center tube comprises a bassinet release connected to the bassinet lock and the bassinet release comprises:
 a pull wire located inside the center tube, an end of the pull wire being jointed with the locking hub; and   a releasing component jointed with the other end of the pull wire, the releasing component being actuated to pull the locking hub via the pull wire to retract the locking hub into the first hinge.   
     
     
         8 . The foldable bassinet of  claim 7 , wherein the bassinet release further comprises a handle and a pressing component, the handle is disposed on the center tube, the pressing component is movably disposed on the handle and configured to drive motion of the releasing component. 
     
     
         9 . The foldable bassinet of  claim 8 , wherein the releasing component is a rotary plate rotatably disposed on the handle and contacting against the pressing component. 
     
     
         10 . The foldable bassinet of  claim 7 , wherein the releasing component is a plate. 
     
     
         11 . The foldable bassinet of  claim 7 , wherein the releasing component comprises a handle and a bushing portion connected with each other, the bushing portion is slidably disposed on the center tube, an opening is formed on the bushing portion and a rib portion is disposed adjacent by the opening, the pull wire is locked with the opening and abuts against the rib portion. 
     
     
         12 . The foldable bassinet of  claim 7 , wherein the locking hub comprises a main body, a protruding body and a retaining rib, the protruding body and the retaining rib are respectively disposed on a first surface and a second surface of the main body opposite to each other. 
     
     
         13 . The foldable bassinet of  claim 12 , wherein the pull wire passes through a channel formed between the main body and the protruding body, and extends to the second surface to abut against the retaining rib. 
     
     
         14 . A foldable bassinet, comprising:
 a center tube;   at least two frames; and   at least two frame connectors, each frame connector disposed on a corresponding frame, the center tube being connected between the at least two frame connectors, at least one of the frame connectors comprising a first tube rotatably connected to a first one of the at least two frames, a second tube rotatably connected to the first one of the at least two frames, and a bassinet lock connected to at least one of the first tube and the second tube,   wherein the bassinet lock is configured to transition between a locked position, in which the first tube and the second tube are prevented from rotating, and an unlocked position, in which the first tube and the second tube are free to rotate, wherein rotation of the first tube and the second tube cause the center tube to move in an upward direction and the foldable bassinet to move from an unfolded position to a folded position.   
     
     
         15 . The foldable bassinet of  claim 14 , wherein the bassinet lock further comprises a first hinge fixed to the first tube and a second hinge fixed to the second tube and rotatably connected to the first hinge. 
     
     
         16 . The foldable bassinet of  claim 15 , wherein the bassinet lock further comprises a locking hub disposed on the center tube and slidably located between the first hinge and the second hinge. 
     
     
         17 . The foldable bassinet of  claim 16 , wherein the first hinge comprises at least one first tooth, the second hinge comprises at least one second tooth, and the locking hub comprises at least one third tooth engaged between the at least one first tooth and the at least one second tooth to constrain the relative rotation between the first hinge and the second hinge. 
     
     
         18 . The foldable bassinet of  claim 16 , wherein the center tube comprises a bassinet release connected to the bassinet lock and the bassinet release comprises:
 a pull wire located inside the center tube, an end of the pull wire being jointed with the locking hub; and   a releasing component jointed with the other end of the pull wire, the releasing component being actuated to pull the locking hub via the pull wire to retract the locking hub into the first hinge.   
     
     
         19 . The foldable bassinet of  claim 18 , wherein the bassinet release further comprises a handle and a pressing component, the handle is disposed on the center tube, the pressing component is movably disposed on the handle and configured to drive motion of the releasing component. 
     
     
         20 . The foldable bassinet of  claim 18 , wherein the releasing component comprises a handle and a bushing portion connected with each other, the bushing portion is slidably disposed on the center tube, an opening is formed on the bushing portion and a rib portion is disposed adjacent by the opening, the pull wire is locked with the opening and abuts against the rib portion.